Americans' Exposure To Heat Extremes Could Rise 6-Fold By 2050 - exposing vastly more Americans to dangerous heat waves due to a combination of rising temperatures and rapid population growth in the South and West, a new study warns.

Not enough is known to predict why the high pressure system occasionally allows an atmospheric river to sneak in and water California, though reports Andres Thompson at Climate Central. The latest river is far from significantly easing California drought.